microtest Acidity 5

Alkalimetric Titration: The water sample is titrated with sodium hydroxide to the pH of 8.2 against a pH indicator (phenolphthalein).

Number of Tests

50 – 80

Interferences

This test measures the aggregate property of "acidity".

Measuring Range

The recommended measuring range is 10 to 100 mg/L (2 – 20 drops @ 5 mg/L) for 5 mL of sample volume. This range can be extended by taking a smaller or larger water sample. For a 2.5 mL sample the measuring range is 20 to 200 mg/L and for a 10 mL sample the range is 5 to 50 mg/L.